Q. Which nation is the largest hydroelectricity producer in the world?
Answer: China
Notes: China is the largest hydroelectricity producer in the world, with 1064 terawatt-hour (TWh). It forms 18.7% of domestic electricity consumption requirements of China. Hydroelectricity is currently China's largest renewable energy source and the second overall after coal. China's Three Gorges Dam on the Yangtze River is the largest hydroelectric power station in the world.